#21197F#21197F

#21197F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.161 H 275.1°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#21197F
RGB	rgb(33, 25, 127)
HSL	hsl(245, 67%, 30%)
HSV	hsv(245, 80%, 50%)
CMYK	cmyk(74%, 80.3%, 0%, 50.2%)
CIE-LAB	lab(18.14, 37.69, -55.41)
CIE-LCH	lch(18.14, 67.02, 304.23°)
OKLab	oklab(31.08% 0.0142 -0.1602)
OKLCH	oklch(31.08% 0.161 275.1)
XYZ	xyz(4.8043, 2.5504, 20.3136)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21197F #777F19

analogous

#19447F #21197F #54197F

triadic

#21197F #7F2119 #197F21

tetradic

#21197F #7F1944 #777F19 #197F54

square

#21197F #7F1944 #777F19 #197F54

split-complementary

#21197F #7F5419 #447F19

monochromatic

#07051A #140F4C #21197F #2E23B2 #473AD8

Accessibility & contrast

On white

13.91

#21197F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#21197F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21197F

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21197F	#FFFFFF	#000000	##FFFFFF
##21197F	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003182

Deuteranopia (green-blind)

#00287D

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #21197f;
/* rgb */ color: rgb(33, 25, 127);
/* oklch */ color: oklch(31.1% 0.161 275.1);

Tailwind

colors: {
  custom: {
    50: '#6d58a5',
    500: '#21197f',
    950: '#000000',
  },
}

SCSS

$custom: #21197f;
$custom-light: #6d58a5;
$custom-dark: #000000;

JSON

{
  "hex": "#21197f",
  "rgb": {
    "r": 33,
    "g": 25,
    "b": 127
  },
  "hsl": {
    "h": 244.706,
    "s": 67.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31083,
    "c": 0.16086,
    "h": 275.1
  },
  "luminance": 0.02551
}

Semantic roles & 50–950 ramp

primary

#21197F

secondary

#AAB341

accent

#EA3EDC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #21197F

Body copy rendered with the generated semantic roles for this colour.

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